- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 3/04 - Means for stopping or slowing by a separate brake, e.g. friction brake or eddy-current brake
Patent holdings for IPC class H02P 3/04
Total number of patents in this class: 139
10-year publication summary
|
10
|
9
|
12
|
9
|
21
|
7
|
12
|
10
|
7
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
13 |
| FANUC Corporation | 5803 |
8 |
| Robert Bosch GmbH | 40953 |
5 |
| Kone Oyj | 2000 |
5 |
| Illinois Tool Works Inc. | 11152 |
4 |
| Siemens AG | 24990 |
4 |
| Chr. Mayr GmbH & Co. KG | 86 |
3 |
| Otis Elevator Company | 2677 |
3 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
3 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Amazon Technologies, Inc. | 24422 |
2 |
| Rockwell Automation Technologies, Inc. | 2547 |
2 |
| Omron Corporation | 6968 |
2 |
| Kia Motors Corporation | 7946 |
2 |
| Accelerated Systems Inc. | 47 |
2 |
| Hunter Douglas Inc. | 934 |
2 |
| Hyundai Mobis Co., Ltd. | 2668 |
2 |
| Kabushiki Kaisha Yaskawa Denki | 1468 |
2 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
2 |
| Other owners | 69 |